(19)

(11)

EP 3 912 382 A1

(12)

(43) Date of publication: 24.11.2021 Bulletin 2021/47 (21) Application number: 20700475.5 (22) Date of filing: 10.01.2020

(51) International Patent Classification (IPC):  H04W 12/12(2021.01) H04L 29/06(2006.01) (52) Cooperative Patent Classification (CPC): H04W 60/00; H04W 12/04; H04W 12/02; H04W 8/24; H04W 12/37 (86) International application number: PCT/EP2020/050492 (87) International publication number: WO 2020/148172 (23.07.2020 Gazette 2020/30)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 15.01.2019 US 201962792592 P (71) Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) 164 83 Stockholm (SE)	(72) Inventors: OHLSSON, Oscar 167 33 Bromma (SE) ARSHAD, Malik,Wahaj 164 80 Stockholm (SE) HEDMAN, Peter 252 50 Helsingborg (SE) NAKARMI, Prajwol, Kumar 19142 Sollentuna (SE) STATTIN, Magnus 194 44 Upplands Väsby (SE) (74) Representative: Ericsson  Patent Development Torshamnsgatan 21-23 164 80 Stockholm 164 80 Stockholm (SE)